Caterpillar 3406 — Service Dry-Type Air Cleaner
Maintenance · Engine Air Intake
For the Caterpillar 3406, from the Caterpillar operator's manual.
Applies to: Caterpillar 3406
Before you start
- NEVER SERVICE AIR INTAKE SYSTEM WITH THE ENGINE RUNNING.
Parts for this job
Part numbers from the service-parts list for Caterpillar 3406. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Loosen and remove the retaining bolts and end cover.
- Remove and inspect the element. If damaged, install a new element.
- Remove any dirt or debris accumulated on the bottom or sides of the filter housing.
- Install the clean element in the filter housing.
- Install the cover. Tighten the retaining bolts.
Full service-parts list: Caterpillar 3406 →
Source: Caterpillar operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.